CMOS impulse radio ultra‐wideband Gaussian pulse generator with variable channel and bandwidth | Zendy

Choi Jamin | Zendy; Kwon Ickjin | Zendy

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CMOS impulse radio ultra‐wideband Gaussian pulse generator with variable channel and bandwidth

Author(s) -

Choi Jamin,

Kwon Ickjin

Publication year - 2016

Publication title -

iet circuits, devices and systems

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.251

H-Index - 49

eISSN - 1751-8598

pISSN - 1751-858X

DOI - 10.1049/iet-cds.2015.0229

Subject(s) - wideband , transmitter , electronic engineering , pulse generator , bandwidth (computing) , amplifier , impulse generator , pulse width modulation , bandwidth limited pulse , electrical engineering , cmos , computer science , physics , engineering , telecommunications , optics , ultrashort pulse , channel (broadcasting) , laser , voltage , jitter

A Gaussian pulse generator for an ultra‐wideband impulse radio transmitter is presented. The proposed generator is based on digital intensive circuits, and the centre frequency and bandwidth of a pulse are controlled by a digitally tunable delay circuit and pulse‐width control circuit. The Gaussian pulse is obtained by a weighted summing amplifier that is controlled by a digital switching signal without an additional LC filter. The amplifier uses a Gaussian pulse shaper that has tunable weighting factors with bandwidth control. The energy consumption of the pulse generator is 37.4 pJ/pulse, and sidelobe rejection of 20 dB is achieved without a filter.

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